PubMed:32118639 / 1502-1512 JSONTXT

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T245","span":{"begin":0,"end":6},"obj":"JJ"},{"id":"EnjuParser_T246","span":{"begin":7,"end":10},"obj":"NN"}],"relations":[{"id":"EnjuParser_R243","pred":"arg1Of","subj":"EnjuParser_T246","obj":"EnjuParser_T245"}],"text":"median age"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok264","span":{"begin":0,"end":6},"obj":"JJ"},{"id":"tok265","span":{"begin":7,"end":10},"obj":"NN"}],"text":"median age"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"E3","span":{"begin":0,"end":10},"obj":"entity"}],"text":"median age"}